Free online tools right in your browser

JSON Formatter & Validator

Format, minify and validate messy JSON code with syntax checking, error highlighting and key sorting.

QR Code Generator

Create scannable QR codes for links, Wi-Fi, email, phone numbers or plain text, with custom colors and margin, as PNG or vector SVG.

Secure Password Generator

Generate random passwords of 8 to 64 characters with an entropy readout. The browser creates them locally with crypto.getRandomValues.

Image Compressor & Batch Pipeline

Compress, resize, crop and convert single images, entire folders or hundreds of files in a configurable batch pipeline.

Video Frame Grabber

Save a single video frame as PNG, JPEG or WebP, or export a time range as a ZIP of numbered JPEG frames.

Base64 Encoder & Decoder

Encode text to Base64 and decode it back with full UTF-8 support and a URL-safe option.

Video Cutter & Trimmer

Cut a video to a start and end time in your browser. Preview the range, set marks at the playhead and download a WebM or MP4 file without a server upload.

Video Filter, Speed & Format

Fit a video to 9:16, 1:1, 4:5 or 16:9 with a blurred background, then add color filters, rotation or a new speed and save a WebM or MP4 file in your browser.

Video Frame Grabber

Save a single video frame as PNG, JPEG or WebP, or export a time range as a ZIP of numbered JPEG frames.

Video Audio Extractor & Muter

Save the sound of a video as a WAV or WebM file, or export a copy of the video without audio. Runs in your browser, with no upload.

Image Converter

Convert an image to WebP, PNG, JPG, AVIF or BMP, with a quality slider for lossy formats. Runs in your browser, with no upload.

Image Compressor & Batch Pipeline

Compress, resize, crop and convert single images, entire folders or hundreds of files in a configurable batch pipeline.

Image Filters & Rotate

Adjust brightness, contrast, saturation, grayscale, sepia and blur of an image, then rotate or flip it and save the result as PNG.

SVG to PNG & Data URL

Paste SVG code, see a live preview, export a square PNG at a size you choose and copy the SVG as a CSS Data URI or Base64 Data URI.

Favicon & App Icon Generator

Generate modern favicon packages, real multi-layer .ico files, Apple Touch Icons, Android PWA manifests & live previews.

Image Color Picker & Palette

Pick colors pixel-precisely from any image or automatically extract the 8 dominant colors of a graphic.

Image to Base64

Turn one image into a data URI, raw Base64, an HTML img tag, a CSS background-image or a Markdown image, or decode Base64 back into a file.

PDF Tools

PDF Merge

Merge several PDF files into one in your browser. Reorder the files, pick pages from each and download the result.

PDF Tools

PDF Split

Split a PDF, extract pages or remove pages in your browser. Get one PDF or a ZIP of several files. Nothing is uploaded.

PDF Tools

PDF Compress

Compress a PDF in your browser: images are cut to a target ppi and stored lossless or as JPEG, whichever is smaller. Soft masks follow. Nothing is uploaded.

JSON Formatter & Validator

Format, minify and validate messy JSON code with syntax checking, error highlighting and key sorting.

Base64 Encoder & Decoder

Encode text to Base64 and decode it back with full UTF-8 support and a URL-safe option.

Text Hash Generator

Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text while you type.

UUID / GUID Generator

Generate random version 4 UUIDs and GUIDs with the Web Crypto API, one at a time or up to 1000 per batch, with optional formatting.

JWT Decoder & Inspector

Decode a JSON Web Token in your browser and read its header and payload as formatted JSON, with a check of the exp claim against your clock.

RegEx Tester & Live Evaluator

Test JavaScript regular expressions in your browser. Matches are highlighted as you type, with flag checkboxes and a match counter.

URL Encoder / Decoder & Parameter Inspector

Encode and decode URLs with encodeURIComponent or encodeURI, and read the query parameters of a URL in a key-value table.

HTML Entities Encoder / Decoder

Encode special characters to HTML entities or decode named, decimal and hex entities back to text – instantly in your browser.

Number Base Converter (Binary, Hex, Decimal)

Convert integers between binary, octal, decimal, hexadecimal and any base from 2 to 36 – with exact results for very large numbers.

Cron Expression Parser

Read a 5-field cron expression in plain language and see five rough sample run times. Common patterns only; the run times are an estimate.

Markdown Live Preview & HTML

Write Markdown and watch the preview update as you type. Tables, task lists, images and nested lists work. Copy the HTML or save it as a file.

QR Code Generator

Create scannable QR codes for links, Wi-Fi, email, phone numbers or plain text, with custom colors and margin, as PNG or vector SVG.

Fake Data & Mock JSON Generator

Create realistic dummy datasets (1 to 1,000 entries) in no time as JSON, CSV, SQL insert or TypeScript with customizable fields.

CSV ↔ JSON Converter

Convert CSV to JSON or JSON to CSV with quoted fields, delimiter detection, typed values and row and column counts.

CSS Gradient Generator

Build linear, radial and conic CSS gradients with 2 to 8 color stops, alpha and repeating mode, and copy the finished background rule.

Box Shadow Generator

Build a CSS box-shadow from up to six layers with offsets, blur, spread, colour, opacity and inset, check it on a live preview and copy the code.

JSON Diff

Compare two JSON documents and list every added, removed and changed value with its JSON Pointer path. Copy the result as text or as a JSON Patch.

YAML ↔ JSON Converter

Convert YAML to JSON and JSON to YAML in your browser. Handles several documents, anchors, aliases and shows errors with line and column.

SQL Formatter

Format SQL queries with 20 dialects, keyword case, indent and placeholder options. Runs in your browser.

Code Beautifier

Format JavaScript, JSON, CSS, SCSS, LESS and HTML with Prettier. Set indent, print width, quotes, semicolons and trailing commas, then copy or download the result.

Code Minifier

Minify JavaScript with Terser and CSS with csso in your browser, with byte and gzip savings.

Lorem Ipsum & Filler Text Generator

Generate placeholder and filler text as paragraphs, sentences or words in English or traditional Latin.

Text Case & Format Converter

Convert text to UPPERCASE, lowercase, camelCase, snake_case, kebab-case, Title Case or PascalCase.

Word & Character Counter

Count words, characters (with/without spaces), sentences, paragraphs, reading time and analyze keyword density.

Text Diff & Comparison

Compare two texts or code versions line by line, side by side or unified, with word highlighting, folded unchanged lines and a copyable patch.

Text Sorter & Duplicate Remover

Sort lines A to Z, Z to A or by length, remove duplicate lines, trim spaces and delete empty lines. Copy the result or save it as a .txt file.

Text to Speech

Read text aloud with the voices of your browser and operating system. Set speed, pitch and volume. See which voices are on the device and which are online.

Secure Password Generator

Generate random passwords of 8 to 64 characters with an entropy readout. The browser creates them locally with crypto.getRandomValues.

UNIX Timestamp & Time Zone Converter

Convert UNIX timestamps in seconds or milliseconds to ISO 8601, UTC and local time, convert a clock time between time zones and compare 15 world cities.